I recently had to remove the brake disc's 6mm-drive hex head retaining screws on my Royal Enfield Bullet, which are steel and threaded into hard aluminum. Three of the screws were not about to be unscrewed and whacking them with a hammer-propelled impact driver only chewed up the hex depressions. So to remove them I eventually had to slice the tops of the screws using a Dremel tool and grinding wheel and I then used the wheel to cut a ramp into the side of the screw tops as shown in the...
What I do with my dirty textile jackets and pants is to take them out in the backyard, hang them up, spray them with Simple Green, hose them off with a stiff water spray and then let them air dry on the hanger. However, Motorcycle.com has this advice for cleaning textile riding clothing - which is probably better than my way:
Here is a link showing how to use the Motion Pro chain alignment tool. I have one, it works great and is very easy to use: